VirtualBox has some files with weird
permissions in its /usr/lib, which was
tripping up this usually-safe operation
when run as an unprivileged user.
Fixes: #11959
Signed-off-by: John Spray <john.spray@redhat.com>
While we're at it, take only /usr/lib instead of all of /usr
to keep the overall file count more modest.
Fixes: #11807
Signed-off-by: John Spray <john.spray@redhat.com>